Microsoft released a new cumulative update for Microsoft Dynamics AX2012 R2, named Cumulative Update 7 (KB2885603). The version number of this release is 6.2.1000.4051.
When wanting to clear dynalinks between two forms, you can clear the dynalinks on the DS on the second form. See example below.
Clear DynaLinks public void init() { ; super(); if (element.args() && element.args().caller() && (element.args().caller().name() == formStr (PurchTable))) { InventTable_ds.query().dataSourceTable(tableNum(InventTable)).clearDynalinks(); } }